[INFO] cloning repository https://github.com/Murray918/grep-clone [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Murray918/grep-clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMurray918%2Fgrep-clone", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMurray918%2Fgrep-clone'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 70e42e6b21d037b91c21e40b1911689d8ac85177 [INFO] checking Murray918/grep-clone against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMurray918%2Fgrep-clone" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Murray918/grep-clone on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Murray918/grep-clone [INFO] finished tweaking git repo https://github.com/Murray918/grep-clone [INFO] tweaked toml for git repo https://github.com/Murray918/grep-clone written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/Murray918/grep-clone already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bfb549cfe354570e274d0dc69e321bc5dceff25e121e3f5df700baf7c0501cf4 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "bfb549cfe354570e274d0dc69e321bc5dceff25e121e3f5df700baf7c0501cf4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bfb549cfe354570e274d0dc69e321bc5dceff25e121e3f5df700baf7c0501cf4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bfb549cfe354570e274d0dc69e321bc5dceff25e121e3f5df700baf7c0501cf4", kill_on_drop: false }` [INFO] [stdout] bfb549cfe354570e274d0dc69e321bc5dceff25e121e3f5df700baf7c0501cf4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1ca60702b053ccf7b6f8321479ea509599c7911abdbefbaeca25d373055ccff5 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1ca60702b053ccf7b6f8321479ea509599c7911abdbefbaeca25d373055ccff5", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.7 [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling serde v1.0.102 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Compiling unicode-segmentation v1.3.0 [INFO] [stderr] Compiling escargot v0.3.1 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking normalize-line-endings v0.2.2 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking backtrace-sys v0.1.32 [INFO] [stderr] Checking backtrace v0.3.40 [INFO] [stderr] Checking float-cmp v0.4.0 [INFO] [stderr] Checking predicates v1.0.1 [INFO] [stderr] Compiling synstructure v0.12.1 [INFO] [stderr] Compiling proc-macro-error v0.2.6 [INFO] [stderr] Compiling serde_derive v1.0.102 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling structopt-derive v0.3.3 [INFO] [stderr] Checking failure v0.1.6 [INFO] [stderr] Checking exitfailure v0.5.1 [INFO] [stderr] Checking structopt v0.3.3 [INFO] [stderr] Checking grrs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:28:13 [INFO] [stdout] | [INFO] [stdout] 28 | writeln!(writer, "{}", line); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking serde_json v1.0.41 [INFO] [stderr] Checking assert_cmd v0.10.2 [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:28:13 [INFO] [stdout] | [INFO] [stdout] 28 | writeln!(writer, "{}", line); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 47.11s [INFO] running `Command { std: "docker" "inspect" "1ca60702b053ccf7b6f8321479ea509599c7911abdbefbaeca25d373055ccff5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ca60702b053ccf7b6f8321479ea509599c7911abdbefbaeca25d373055ccff5", kill_on_drop: false }` [INFO] [stdout] 1ca60702b053ccf7b6f8321479ea509599c7911abdbefbaeca25d373055ccff5